Echo CS-350WES - Page 4

CS-350WES
2
SERVICE INFORMATION
1 SERVICE INFORMATION
1-1 Specifications
Model CS-350WES
Dimensions Length* mm(in) 392 (15.4)
Width mm(in) 241 (9.5)
Height mm(in) 236 (9.3)
Dry weight* kg(lb) 3.6 (7.9)
Engine Type KIORITZ, air-cooled, two-stroke, single cylinder
Rotation Clockwise as viewed from the output end
Displacement cm
3
(in
3
) 35.8 (2.185)
Bore mm(in) 39 (1.535)
Stroke mm(in) 30 (1.181)
Compression ratio 7.0
Carburetor Type Diaphragm horizontal-draught with auto-return choke
Model (Walbro) WT-722, WT-722A, WT-721**
Venturi size-Throttle bore mm(in) 13.5 - 15.85 (0.532 - 0.624)
Ignition Type CDI (Capacitor discharge ignition) system with
electronic timing advancer
Spark plug BPMR7A
Starter Type ES (Effortless-start)
Rope diameter x length mm(in) 3.5 x 950(0.14 x 37.4)
Fuel Type Premixed two-stroke fuel
Mixture ratio 50 : 1 (2 %)
Petrol Minimum 89 octane petrol (RON)
Two-stroke air cooled engine oil ISO-L-EGD (ISO/CD13738), JASO FC
Tank capacity L (U.S.fi.oz) 0.37 (12.5)
Clutch Type Centrifugal, 3-shoe slide with 3-tension spring
Guide bar / Saw chain lubrication type Automatic with volume adjuster
Oil Tank capacity L (U.S.fl.oz.) 0.23 (7.8)
Sprocket Type Spur
Number of teeth 6
Pitch in 3/8
Cutting devices
Guide bar Type 30RC50-3/8 35RC50-3/8 40RC50-3/8
Called length cm 30 35 40
Gauge in 0.050
Saw chain Number of drive links 47 53 58
Pitch in 3/8
Gauge in 0.050
* Without guide bar and saw chain.
††
Serial number 36007691 and after